Why we built this

Built for the people
under the sink.

The story

There's a quiet truth about trades businesses: the best plumber, the sharpest electrician, the most reliable HVAC tech — they don't always win the job. The one who answers first does.

The work is hands-on. You're under a sink, on a roof, in a crawlspace, on a ladder. You can't take the call. You can't reply to the text. You'll see the missed call at the end of the day — and by then, the customer has already booked your competitor.

Three-star competitor. Higher prices. Slower service. But they answered first. That's the math of every trades business in 2026: jobs go to whoever picks up the phone, not whoever does the better work.

BuildStack exists to flip that. A trained front desk that texts back in 47 seconds, in your voice, on your number — so the customer who needed someone today gets a real reply today, and the job that should've been yours stays yours.

SAMUELFOUNDER · BUILDSTACK

How we work

Four things
we won't compromise on.

Trained, not deployed.

AI receptionists go live on day one and hope. We refuse to. The stack earns its place on your line over two to four weeks — not minutes.

Your voice, not ours.

Every reply gets trained on how you actually talk to customers — the words you use, the prices you quote, the appointments you take.

Honest about what AI is for.

AI replies fast and follows scripts. It does not pull permits, snake a drain, or look a homeowner in the eye. We free your hands for the work only you can do.

No contracts. No lock-in.

You own your number, your domain, your customer list, your data. If we stop earning it, you walk. We'd rather rebuild than coast.

The timeline

From one trade
to two hundred businesses.

Q4 2024
BuildStack founded
Q1 2025
First ten customers — plumbers, electricians, GCs
Q2 2025
Email & social agents shipped
Q4 2025
100 trades businesses · first UK customers
Q1 2026
Voice agent enters closed beta
Today
200+ trades businesses across the US and UK